Six electrical components. Manufacturer unknown. Used by the BBC at Holme Moss. Electrical Component, used by BBC, Holme Moss
Two electrical components; one seems to be either casing or piping, and the other has plastic wires protruding from glass encased copper wire. Manufacturer unknown. Used at BBC, Holme Moss. Electrical Component, used by BBC, Holme Moss
One Megohm (at 20ºC) standard resistor, type 474, by H. Tinsley & Co. Ltd., London, S.E.25, serial no. 54615, made in 1943, in wooden case with lid that is slotted for connecting leads, terminals mounted on perspex insulators. One Megohm (at 20ºC) standard resistor 1943